Six"ty , n.; pl.
Sixties (&?;). 1. The sum of six times ten; sixty units or objects.
2. A symbol representing sixty
units, as 60, lx., or LX.
Six"ty (?), a. [AS. siextig; akin to G. sechzig, Goth. saíhs tigjus. See Six, Ten, and cf. Sixteen.]
Six times
ten; fifty-nine and one
more; threescore.